S.C. Code § 33-39-450
As to all matters requiring action by the stockholders and the members of the corporation, the stockholders and the members shall vote separately thereon by classes, and, except as otherwise provided in this chapter, such matters shall require the affirmative vote of a majority of the votes to which the stockholders present or represented at the meeting shall be entitled and the affirmative vote of a majority of the votes to which the members present or represented at the meeting shall be entitled.
Each stockholder shall have one vote, in person or by proxy, for each share of capital stock held by him, and each member shall have one vote, in person or by proxy, except that any member having a loan limit of more than one thousand dollars shall have one additional vote, in person or by proxy, for each additional one thousand dollars which such member is authorized to have outstanding on loans to the corporation at any one time as determined under item (3) (b) of Section 33-39-460.
S.C. Code § 33-39-450